transpiration and translocation Flashcards
what does the phloem tube do
transport food
what is the phloem tube made off
columns of elongated living cells with small pores in the end walls to allows sap to go through
what do phloem tubes do
transport food substances
what way does the transport go
in both directions
what is the process of transporting food substances called
translocation
what does the xylem tube do
take water up
what is the xylem tube made off
dead cells joined end to end with no end walls between them and a hole in the middle
what is the transpiration stream
the movement of water from roots, through xylem
what is transpiration caused by
evaporation and diffusion of water from a plants surface
where does most transpiration happen
at the leaves
what does evaporation create
a sloght shortage of water
